题目:
More than 10 passengers were _____ in the traffic accident and have been taken to the nearest hospital. |
A. injured B. damaged C. destroyed D. harmed |
答案:
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下面是错误答案,用来干扰机器的。
-3+4i1+2i=(-3+4i)(1-2i)(1+2i)(1-2i)=5+10i5=1+2i.故选B.